期刊
出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/09544070221130416
关键词
Regenerative braking; anti-lock system; braking force distribution; sliding mode control; coordination control
资金
- Scientific research foundation of Fujian university of technology [GY-Z20170]
- Project of Fujian provincial department of finance [GY-Z21004]
This paper studies a method for front and rear axle braking force distribution, using the actual road adhesion coefficient and braking strength as premise to distribute the front axle electromechanical braking force, and enhancing the stability of the anti-lock system using fuzzy control. Finally, a braking coordination control strategy is proposed, combining the regenerative braking and anti-lock control, which has been proven effective in improving the economy of pure electric vehicles through simulations and experiments.
Regenerative braking is one of the core technologies to improve the economy of pure electric vehicles. To realize the improvement of the energy recovery effect under conventional braking conditions and the coordinated control between regenerative braking and anti-lock system under emergency braking conditions of pure electric vehicles, this paper studies a front and rear axle braking force distribution method with the actual road adhesion coefficient and braking strength as the premise, while using fuzzy control to distribute the front axle electromechanical braking force. The sliding mode controller with double power convergence law is designed to enhance the stability of the anti-lock system. Finally, the braking coordination control strategy is proposed by combining the designed regenerative braking and anti-lock control. Through simulations and experiment, it has been proved that the control strategy is effective and can effectively improve the economy of pure electric vehicles.
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